/* 导航栏样式 */
.navbar {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand {
    font-size: 20px;
    font-weight: 600;
    color: #2d3748;
}

.nav-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: #666;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-link:hover {
    background: #f0f0f0;
}

.nav-link.active {
    color: #1890ff;
    background: #e6f7ff;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* 主内容区样式 */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.main-content {
    max-width: 1200px;
    margin: 80px auto 30px;
    padding: 0 20px;
}

/* 面标题样式 */
.page-title {
    text-align: center;
    margin-bottom: 50px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-title h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #2d3748;
}

.page-title p {
    color: #4a5568;
    font-size: 16px;
}

/* 消息列表样式 */
.message-list {
    display: grid;
    gap: 25px;
    padding: 10px;
}

.message-card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
    transition: all 0.3s;
}

.message-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.message-card h2 {
    margin: 0 0 10px;
    font-size: 18px;
    color: #333;
}

.message-meta {
    color: #999;
    font-size: 14px;
    margin-bottom: 10px;
}

.message-meta span {
    display: flex;
    align-items: center;
    gap: 5px;
}

.message-meta span::before {
    content: '📅';
}

.message-preview {
    color: #666;
    line-height: 1.5;
}

/* 加载状态样式 */
.loading {
    text-align: center;
    padding: 30px;
    color: white;
    font-weight: 500;
} 